1/*
2 *   linux/arch/parisc/kernel/pa7300lc.c
3 *	- PA7300LC-specific functions
4 *
5 *   Copyright (C) 2000 Philipp Rumpf */
6
7#include <linux/sched.h>
8#include <linux/smp.h>
9#include <linux/kernel.h>
10#include <asm/gsc.h>
11#include <asm/ptrace.h>
12#include <asm/machdep.h>
13
14/* CPU register indices */
15
16#define MIOC_STATUS	0xf040
17#define MIOC_CONTROL	0xf080
18#define MDERRADD	0xf0e0
19#define DMAERR		0xf0e8
20#define DIOERR		0xf0ec
21#define HIDMAMEM	0xf0f4
22
23/* this returns the HPA of the CPU it was called on */
24static u32 cpu_hpa(void)
25{
26	return 0xfffb0000;
27}
28
29static void pa7300lc_lpmc(int code, struct pt_regs *regs)
30{
31	u32 hpa;
32	printk(KERN_WARNING "LPMC on CPU %d\n", smp_processor_id());
33
34	show_regs(regs);
35
36	hpa = cpu_hpa();
37	printk(KERN_WARNING
38		"MIOC_CONTROL %08x\n" "MIOC_STATUS  %08x\n"
39		"MDERRADD     %08x\n" "DMAERR       %08x\n"
40		"DIOERR       %08x\n" "HIDMAMEM     %08x\n",
41		gsc_readl(hpa+MIOC_CONTROL), gsc_readl(hpa+MIOC_STATUS),
42		gsc_readl(hpa+MDERRADD), gsc_readl(hpa+DMAERR),
43		gsc_readl(hpa+DIOERR), gsc_readl(hpa+HIDMAMEM));
44}
45
46void pa7300lc_init(void)
47{
48	cpu_lpmc = pa7300lc_lpmc;
49}
50